Dfu not working when i try to upload my custom made application second time. nrf51422 sdk v8.0 and softdevice s110 on pca10028 the steps i used to do dfu are as 1)programed soft device s110_nrf51_8.0.0 using nrfgo studio 2)programed dfu_dual_bank_ble_s110_pca10028 an example from keil pack. 3)compiled my custom made application which is attached here DFU in password.zip 4)created zip file using nrfutil.exe using hex file generated by uisng this command nrf.exe dfu genpkg app.zip --application nrf51822_xxac.hex --application-version 0xffff --dev-revision 0xffff --dev-type 0xffff --sd-req 0x0064 5)uploaded zip file to my ios app nrftoolbox 6)opened DFU from nrftoolbox and uploded my application whick worked perfectly the problem is when i try to upload my applicatons 2nd version it does not connect to dfu and there comes an error Error on discovering service Message:required DFU service not available on peripheral. Can someone point out the mistake i am making.?
